Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Sullivan, J.
1962
Stercorarius parasiticus
23 June Wainwright, Alaska
3 birds in company with one another - one
dark phase, 2 light. Hunting together -
patrolling Tundra.
28 June 1 seen near station Pitt Point, Alaska
29 June Pitt Point, Alaska
1 more parasitic